Primerless waterproofing laminates
US5028487A · kind A · utility
15Cited by
10References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 1989 |
| Grant date | Jul 2, 1991 |
| Priority date | — |
| Expiry date | Jan 10, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31815
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
For waterproofing civil engineering structures using flexible, sheet-like waterproofing laminates which can be applied without primer to structures at temperatures of 40.degree. F. and above. Primerless waterproofing laminates having a bituminous layer comprising 29 to 54 weight percent asphalt, 25 to 50 weight percent process oil, and 16 to 35 weight percent thermoplastic block polymer of styrene and butandiene monomers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.